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# This file is part of cloud-init. See LICENSE file for license information.
from unittest import mock
from cloudinit.config import cc_set_passwords as setpass
from cloudinit.tests.helpers import CiTestCase
from cloudinit import util
MODPATH = "cloudinit.config.cc_set_passwords."
class TestHandleSshPwauth(CiTestCase):
"""Test cc_set_passwords handling of ssh_pwauth in handle_ssh_pwauth."""
with_logs = True
@mock.patch(MODPATH + "util.subp")
def test_unknown_value_logs_warning(self, m_subp):
setpass.handle_ssh_pwauth("floo")
self.assertIn("Unrecognized value: ssh_pwauth=floo",
self.logs.getvalue())
m_subp.assert_not_called()
@mock.patch(MODPATH + "update_ssh_config", return_value=True)
@mock.patch(MODPATH + "util.subp")
def test_systemctl_as_service_cmd(self, m_subp, m_update_ssh_config):
"""If systemctl in service cmd: systemctl restart name."""
setpass.handle_ssh_pwauth(
True, service_cmd=["systemctl"], service_name="myssh")
self.assertEqual(mock.call(["systemctl", "restart", "myssh"]),
m_subp.call_args)
@mock.patch(MODPATH + "update_ssh_config", return_value=True)
@mock.patch(MODPATH + "util.subp")
def test_service_as_service_cmd(self, m_subp, m_update_ssh_config):
"""If systemctl in service cmd: systemctl restart name."""
setpass.handle_ssh_pwauth(
True, service_cmd=["service"], service_name="myssh")
self.assertEqual(mock.call(["service", "myssh", "restart"]),
m_subp.call_args)
@mock.patch(MODPATH + "update_ssh_config", return_value=False)
@mock.patch(MODPATH + "util.subp")
def test_not_restarted_if_not_updated(self, m_subp, m_update_ssh_config):
"""If config is not updated, then no system restart should be done."""
setpass.handle_ssh_pwauth(True)
m_subp.assert_not_called()
self.assertIn("No need to restart SSH", self.logs.getvalue())
@mock.patch(MODPATH + "update_ssh_config", return_value=True)
@mock.patch(MODPATH + "util.subp")
def test_unchanged_does_nothing(self, m_subp, m_update_ssh_config):
"""If 'unchanged', then no updates to config and no restart."""
setpass.handle_ssh_pwauth(
"unchanged", service_cmd=["systemctl"], service_name="myssh")
m_update_ssh_config.assert_not_called()
m_subp.assert_not_called()
@mock.patch(MODPATH + "util.subp")
def test_valid_change_values(self, m_subp):
"""If value is a valid changen value, then update should be called."""
upname = MODPATH + "update_ssh_config"
optname = "PasswordAuthentication"
for value in util.FALSE_STRINGS + util.TRUE_STRINGS:
optval = "yes" if value in util.TRUE_STRINGS else "no"
with mock.patch(upname, return_value=False) as m_update:
setpass.handle_ssh_pwauth(value)
m_update.assert_called_with({optname: optval})
m_subp.assert_not_called()
class TestSetPasswordsHandle(CiTestCase):
"""Test cc_set_passwords.handle"""
with_logs = True
def test_handle_on_empty_config(self, *args):
"""handle logs that no password has changed when config is empty."""
cloud = self.tmp_cloud(distro='ubuntu')
setpass.handle(
'IGNORED', cfg={}, cloud=cloud, log=self.logger, args=[])
self.assertEqual(
"DEBUG: Leaving SSH config 'PasswordAuthentication' unchanged. "
'ssh_pwauth=None\n',
self.logs.getvalue())
@mock.patch(MODPATH + "util.subp")
def test_handle_on_chpasswd_list_parses_common_hashes(self, m_subp):
"""handle parses command password hashes."""
cloud = self.tmp_cloud(distro='ubuntu')
valid_hashed_pwds = [
'root:$2y$10$8BQjxjVByHA/Ee.O1bCXtO8S7Y5WojbXWqnqYpUW.BrPx/'
'Dlew1Va',
'ubuntu:$6$5hOurLPO$naywm3Ce0UlmZg9gG2Fl9acWCVEoakMMC7dR52q'
'SDexZbrN9z8yHxhUM2b.sxpguSwOlbOQSW/HpXazGGx3oo1']
cfg = {'chpasswd': {'list': valid_hashed_pwds}}
with mock.patch(MODPATH + 'util.subp') as m_subp:
setpass.handle(
'IGNORED', cfg=cfg, cloud=cloud, log=self.logger, args=[])
self.assertIn(
'DEBUG: Handling input for chpasswd as list.',
self.logs.getvalue())
self.assertIn(
"DEBUG: Setting hashed password for ['root', 'ubuntu']",
self.logs.getvalue())
self.assertEqual(
[mock.call(['chpasswd', '-e'],
'\n'.join(valid_hashed_pwds) + '\n')],
m_subp.call_args_list)
@mock.patch(MODPATH + "util.is_FreeBSD")
@mock.patch(MODPATH + "util.subp")
def test_freebsd_calls_custom_pw_cmds_to_set_and_expire_passwords(
self, m_subp, m_is_freebsd):
"""FreeBSD calls custom pw commands instead of chpasswd and passwd"""
m_is_freebsd.return_value = True
cloud = self.tmp_cloud(distro='freebsd')
valid_pwds = ['ubuntu:passw0rd']
cfg = {'chpasswd': {'list': valid_pwds}}
setpass.handle(
'IGNORED', cfg=cfg, cloud=cloud, log=self.logger, args=[])
self.assertEqual([
mock.call(['pw', 'usermod', 'ubuntu', '-h', '0'], data='passw0rd',
logstring="chpasswd for ubuntu"),
mock.call(['pw', 'usermod', 'ubuntu', '-p', '01-Jan-1970'])],
m_subp.call_args_list)
@mock.patch(MODPATH + "util.is_FreeBSD")
@mock.patch(MODPATH + "util.subp")
def test_handle_on_chpasswd_list_creates_random_passwords(self, m_subp,
m_is_freebsd):
"""handle parses command set random passwords."""
m_is_freebsd.return_value = False
cloud = self.tmp_cloud(distro='ubuntu')
valid_random_pwds = [
'root:R',
'ubuntu:RANDOM']
cfg = {'chpasswd': {'expire': 'false', 'list': valid_random_pwds}}
with mock.patch(MODPATH + 'util.subp') as m_subp:
setpass.handle(
'IGNORED', cfg=cfg, cloud=cloud, log=self.logger, args=[])
self.assertIn(
'DEBUG: Handling input for chpasswd as list.',
self.logs.getvalue())
self.assertNotEqual(
[mock.call(['chpasswd'],
'\n'.join(valid_random_pwds) + '\n')],
m_subp.call_args_list)
# vi: ts=4 expandtab
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